diff --git a/View/ProductionPlanningView.xaml.cs b/View/ProductionPlanningView.xaml.cs
index 11ddd6d..3fdb490 100644
--- a/View/ProductionPlanningView.xaml.cs
+++ b/View/ProductionPlanningView.xaml.cs
@@ -121,9 +121,14 @@ namespace SunlightCentralizedControlManagement_SCCM_.View
         {
             MessageBox.Show("Edit clicked for task " + ganttTask.Name);
         }
-        private void DeleteClicked(GanttTask ganttTask)
+        private void DeleteClicked(GanttTask ganttTask)//删除
         {
-            MessageBox.Show("Delete clicked for task " + ganttTask.Name);
+            SQLiteHelpers = new SQLiteHelper(DBAddress); //数据库连接路径
+            SQLiteHelpers.Open();  //打开数据库                       
+            SQLiteHelpers.Delete(
+                "WorkOrder", "StartTime='" + ganttTask.Start + "'and EndTime='"+ ganttTask .End+ "'", null);
+            SQLiteHelpers.Close();
+            GanttChartNEW();
         }
         private string FormatYear(Period period)
         {